Mineral Wool
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4 products
![Rockwool ComfortBatt (R13 - 3.5" x 15.25") [59.73 sqft/bag]](http://machbuildingsupply.com/cdn/shop/files/294288.jpg?v=1691609347&width=1000)
Rockwool ComfortBatt (R13 - 3.5" x 15.25") [59.73 sqft/bag]
Sale price$53.00
![Rockwool ComfortBatt (R21 - 5.5" x 15.25") [39.82 sqft/bag]](http://machbuildingsupply.com/cdn/shop/files/Screenshot2023-08-09at2.09.33PM.png?v=1691608189&width=972)
Rockwool ComfortBatt (R21 - 5.5" x 15.25") [39.82 sqft/bag]
Sale price$53.50
Thermafiber - Commercial SAFB (3" Thickness)
Sale price$50.05
![Rockwool ComfortBatt (R30 - 7.25" x 15.25") [29.87 sqft/bag]](http://machbuildingsupply.com/cdn/shop/files/r30rockwool.webp?v=1735598088&width=3000)
Rockwool ComfortBatt (R30 - 7.25" x 15.25") [29.87 sqft/bag]
Sale price$72.65